At 13 weeks pregnant, the liver organ begins to generate bile, the pancreatic is secreting blood insulin and the colon is generating the child's first chair, the conium. Given that your child doesn't have any fat, his epidermis is still translucent, but in several weeks to come, fat levels are placed under the epidermis, and you won't be able to see through any more. At 13 several weeks currently pregnant, your child is 13-20 h and is roughly 2.5-3 inches wide lengthy (about the dimension a nectarine).